import { Subject } from "rxjs";
import { JscadInfo } from "./jscad-info";
import { JSCADWorkerMock } from "./jscad-worker-mock";
/**
 * This is a manager of JSCAD worker. Promisified API allows to deal with the worker in a more natural way
 * and because all those CAD algorithms are quite heavy this does make a lot of sense at this time.
 */
export declare class JSCADWorkerManager {
    jscadWorkerState$: Subject<JscadInfo>;
    errorCallback: (err: string) => void;
    private jscadWorker;
    private promisesMade;
    jscadWorkerAlreadyInitialised(): boolean;
    setJscadWorker(worker: Worker | JSCADWorkerMock): void;
    cleanPromisesMade(): void;
    genericCallToWorkerPromise(functionName: string, inputs: any): Promise<any>;
    /**
     * This needs to be done before every run and the promise needs to be awaited before run executes again
     * This makes sure that cache keeps the objects and hashes from the previous run and the rest is deleted
     * In this way it is possible to hace the cache of manageable size
     */
    startedTheRun(): Promise<any>;
    /**
     * This needs to be done before every run and the promise needs to be awaited before run executes again
     * This makes sure that cache keeps the objects and hashes from the previous run and the rest is deleted
     * In this way it is possible to hace the cache of manageable size
     */
    cleanAllCache(): Promise<any>;
}